krummler

struct ButtonStateStyle {
    let foreground: UIColor
    let background: UIImage
}

struct ButtonStyle {
    let font: UIFont
    let insets: UIEdgeInsets

    let enabled: ButtonStateStyle

krummler

class WeightAdheringLabel: UILabel {
    private var originalFont: UIFont?

    override var font: UIFont! {
        set {
            self.originalFont = newValue
            if traitCollection.legibilityWeight == .bold {
                super.font = newValue.fontDescriptor.withSymbolicTraits(.traitBold).map { UIFont(descriptor: $0, size: newValue.pointSize) } ?? newValue
            } else {
                super.font = newValue

krummler

let font = UIFont(name: "Cochin", size: 16)!
let scaledFont = UIFontMetrics(forTextStyle: .body).scaledFont(for: font)
label.font = scaledFont
label.adjustsFontForContentSizeCategory = true

krummler

override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
   stack.axis = traitCollection.preferredContentSizeCategory > .extraExtraExtraLarge ? .vertical : .horizontal
}

krummler

stackView.axis = traitCollection.preferredContentSizeCategory > .extraExtraExtraLarge ? .vertical : .horizontal

krummler

let label = UILabel()
label.font = UIFont.preferredFont(forTextStyle: .caption1)
label.adjustsFontForContentSizeCategory = true

krummler

timeLabel.font = FontStyles.bigTime
timeLabel.adjustsFontForContentSizeCategory = false

krummler

struct FontStyles {
    private static let customFont = UIFont(name: "Cochin", size: 15)!

    static let headline = customFont.with(style: .headline, basePointSize: 34)
    static let body = customFont.with(style: .body, basePointSize: UIFont.labelFontSize)
    static let bigTime = customFont.withSize(66)

    static let buttonPrimary = customFont.with(style: .body, basePointSize: UIFont.buttonFontSize)
    static let buttonSecondary = customFont.with(style: .caption1, basePointSize: UIFont.smallSystemFontSize)
}

krummler

extension UIFont {
    func with(style: UIFont.TextStyle, basePointSize: CGFloat, maxPointSize: CGFloat? = nil) -> UIFont {
        if let maxPointSize = maxPointSize {
            return UIFontMetrics(forTextStyle: style).scaledFont(for: self.withSize(basePointSize),
                                                                 maximumPointSize: maxPointSize)
        }
        return UIFontMetrics(forTextStyle: style).scaledFont(for: self.withSize(basePointSize))
    }
}

krummler

button.backgroundColor = UIColor(named: "buttonBackground")
button.layer.cornerRadius = 8
button.layer.shadowColor = UIColor(named: "buttonShadow")?.cgColor
button.layer.shadowOpacity = 0.8
button.layer.shadowOffset = CGSize(width: 1, height: 1)
button.layer.borderWidth = 2
button.layer.borderColor = UIColor(named: "buttonBorder")?.cgColor